WBA light-flyweight title · 15 rounds

Rigoberto
Marcano
VS
Yōkō
Gushiken

Gushiken · SD 15/15

May 22, 1977 · Makomanai Indoor Arena, Sapporo, 🇯🇵

Marcano going in—

Gushiken going in10-0-0

Confirmation✓ one source

MethodSD

Round15 of 15

TitleWBA light-flyweight title

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Yoko_Gushiken

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/具志堅用高

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